From patchwork Mon Jul 15 18:47:32 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerhard Sittig X-Patchwork-Id: 2827713 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2AA26C0AB2 for ; Mon, 15 Jul 2013 18:48:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3EAD1202A1 for ; Mon, 15 Jul 2013 18:48:58 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EAFBC20295 for ; Mon, 15 Jul 2013 18:48:55 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UynpL-0004mQ-28; Mon, 15 Jul 2013 18:48:51 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UynpI-0005Rg-56; Mon, 15 Jul 2013 18:48:48 +0000 Received: from mail-out.m-online.net ([212.18.0.10]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UynpC-0005Or-IT for linux-arm-kernel@lists.infradead.org; Mon, 15 Jul 2013 18:48:44 +0000 Received: from frontend1.mail.m-online.net (frontend1.mail.intern.m-online.net [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id 3bvDJz4Kfxz3hhjs; Mon, 15 Jul 2013 20:48:19 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 3bvDJz2x70zbbjY; Mon, 15 Jul 2013 20:48:19 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.180]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavisd-new, port 10024) with ESMTP id AW1bygyDFOX5; Mon, 15 Jul 2013 20:48:18 +0200 (CEST) X-Auth-Info: 5V2g9fq1ED4aEruZdpj1H8P3I0bbqfUmMp29w2l1Okk= Received: from localhost (kons-4d03f7e7.pool.mediaWays.net [77.3.247.231]) by mail.mnet-online.de (Postfix) with ESMTPA; Mon, 15 Jul 2013 20:48:17 +0200 (CEST) From: Gerhard Sittig To: linuxppc-dev@lists.ozlabs.org, Anatolij Gustschin , Mike Turquette , linux-arm-kernel@lists.infradead.org, devicetree-discuss@lists.ozlabs.org Subject: [PATCH v1 03/24] mtd: mpc5121_nfc: prepare clocks before enabling them Date: Mon, 15 Jul 2013 20:47:32 +0200 Message-Id: <1373914074-20889-4-git-send-email-gsi@denx.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1373914074-20889-1-git-send-email-gsi@denx.de> References: <1373914074-20889-1-git-send-email-gsi@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130715_144842_730649_D51E5F04 X-CRM114-Status: GOOD ( 10.58 ) X-Spam-Score: -1.9 (-) Cc: Detlev Zundel , Wolfram Sang , Greg Kroah-Hartman , Gerhard Sittig , Rob Herring , Mark Brown , Marc Kleine-Budde , Pantelis Antoniou , David Woodhouse , Wolfgang Grandegger , Mauro Carvalho Chehab X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP must prepare clocks before enabling them, unprepare after disable Signed-off-by: Gerhard Sittig --- drivers/mtd/nand/mpc5121_nfc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c index 3c9cdcb..eb7771d 100644 --- a/drivers/mtd/nand/mpc5121_nfc.c +++ b/drivers/mtd/nand/mpc5121_nfc.c @@ -618,7 +618,7 @@ static void mpc5121_nfc_free(struct device *dev, struct mtd_info *mtd) struct mpc5121_nfc_prv *prv = chip->priv; if (prv->clk) { - clk_disable(prv->clk); + clk_disable_unprepare(prv->clk); clk_put(prv->clk); } @@ -737,7 +737,7 @@ static int mpc5121_nfc_probe(struct platform_device *op) goto error; } - clk_enable(prv->clk); + clk_prepare_enable(prv->clk); /* Reset NAND Flash controller */ nfc_set(mtd, NFC_CONFIG1, NFC_RESET);